Robert Greenwalt b37f0c6513 Fix Tethering of multiple downstream ifaces.
We weren't notifying the second tethered iface of it's upstream iface name so its traffic
was not getting routed correctly.
We also weren't clearing out our connected iface name when we untethered, so the route rules
weren't getting flushed when the last tether came down.

Change-Id: I34e5d672ea882c89c8f582d69d6dc421cb52d4b4
2010-03-25 15:29:57 -07:00
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